Home / 87,984.87-131,957.01-52,456.20

Finding the Fourth Proportional to 87,984.87, 131,957.01 and 52,456.20

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Solution

The fourth proportional to 87,984.87, 131,957.01 and 52,456.20 is: 78,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,984.87 : 131,957.01 = 52,456.20 : x
  2. Step 2: Convert to fraction form
    87,984.87/131,957.01 = 52,456.20/x
  3. Step 3: Cross multiply
    87,984.87x = 131,957.01 × 52,456.20
  4. Step 4: Simplify right side
    87,984.87x = 6,921,963,307.96
  5. Step 5: Solve for x
    x = 6,921,963,307.96/87,984.87
  6. Step 6: Final answer
    x = 78,672.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.